Tripwire is an Intrusion Detection System. It monitors the server's filesystem and detects unauthorized changes to files and directories. This guide shows you how to install Tripwire, configure a basic list of files to monitor for changes, and automate the Tripwire filesystem scan. > This guide is for Open Source Tripwire; do not confuse Open Source Tripwire with the commercial version of Tripwire, which is a different software package. * [Deploy a Debian 11 cloud server at Vultr.](https://my......